.service .title{
    height: 14px;
    font-size: 14px;
    line-height: 14px;
    margin-bottom: 49px;  
}
.service{
    width: 1200px;
    margin: 0 auto 200px;
    overflow: hidden;
}
.service .nav-left{
    float: left;
}
.service .nav-right{
    float: right;
}